I live in a 90-year-old house where the doors have been painted numerous
In several places, no matter how much primer and topcoats I use, eventually
a pale pink begins to come through the white. I can recoat, and the same
Have fun stripping the doors down to the wood and either repainting them
finishing them some other way
By the way, If the doors are as old as the house, you should seriously
consider stripping them them.
Bleeding through multiple coats suggests that the source of stain is the
wood; most common with "oily" woods, like cedar, redwood. Stain
blocking primers should solve the problem...there are plenty of good
brands, with Zinsser and Kilz being pretty popular. If the surface is
sound, clean it, prime, paint.
Pale pink is suggestive of mildew...does bleach touch it?
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